Hostname
ref-japan.net
Last fetched
ref-japan.net resolves to 1 IPv4 address operated by SAKURA-A - SAKURA Internet Inc. in JP. WHOIS lists iana:1485 as the registrar.
Nutrition Label
Resolution chain
ref-japan.net resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 133.242.249.15 | 133.242.0.0/16 | AS7684 | SAKURA-A - SAKURA Internet Inc. | JP |
WHOIS identity
- Registrar
- iana:1485
- Organization
- recording tripartite conference
- Contact emails
Subdomains
1 observed subdomain of ref-japan.net.
| Subdomain |
|---|
| www.ref-japan.net |
Web-graph footprint
Distinct hostnames that link to or from ref-japan.net in the public web crawl.
25 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
- ref-japan.net
SPF policy
2 SPF mechanisms authorising senders for ref-japan.net.
| Mechanism | Target |
|---|---|
| SPF_A | www4105.sakura.ne.jp |
| SPF_MX | ref-japan.net |
Related pages
Pivot deeper into the graph from ref-japan.net.
- IP · 133.242.249.15
- ASN · AS7684SAKURA-A - SAKURA Internet Inc.
- Registrar · iana:1485
- Country · JP
- Email · privacy@whoisprivacyprotection.info
- TLD · .net
- Browse hostnames · re…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ref-japan.net"})-[:RESOLVES_TO]->(ip:IPV4)
-[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
-[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20Or query Whisper from your own LLM workflow via the Whisper MCP server.